/* The navigation stays in one place while the page moves beneath it. */
:root { --header-height: 84px; }
/* The homepage has no announcement strip, including before scripts load. */
body.home-page .site-header { --header-offset: 0px; top: var(--header-offset); }
html { scroll-padding-top: var(--header-height); }
.nav-menu { display: flex; align-items: center; gap: 33px; }
.nav-toggle { display: none; }
.navlink[aria-current="page"] {
  text-decoration: underline;
  text-underline-offset: 6px;
  text-decoration-thickness: 1px;
}
.header-ready .site-header,
.header-ready .app-banner:not([hidden]) ~ .site-header {
  position: fixed;
  top: var(--header-offset, 35px);
}
.header-ready .site-header {
  color: #f7f1e6;
  isolation: isolate;
  transition: color 240ms ease;
}
.header-ready .site-header .nav { min-height: 84px; }
.header-ready .site-header::before {
  content: '';
  position: absolute;
  z-index: -1;
  inset: 0;
  background: rgba(250, 246, 238, .8);
  -webkit-backdrop-filter: blur(18px) saturate(1.15);
  backdrop-filter: blur(18px) saturate(1.15);
  opacity: var(--header-surface, 0);
  pointer-events: none;
}
.header-ready .site-header.has-surface { color: var(--ink); }
.header-ready .site-header.menu-open::before { opacity: 1; }
.header-ready .site-header.menu-open { color: var(--ink); }
@media (max-width: 1050px) {
  .nav-menu { gap: 23px; }
}
@media (max-width: 760px) {
  :root { --header-height: 74px; }
  .header-ready .site-header { --header-offset: 32px; }
  .header-ready .site-header .nav { min-height: 74px; }
  .nav-links { gap: 12px; }
  .nav-toggle {
    display: block;
    border: 0;
    background: none;
    color: inherit;
    font: 400 11px/1 var(--body);
    padding: 14px 5px;
    cursor: pointer;
  }
  .nav-menu {
    position: absolute;
    top: 100%;
    left: 20px;
    right: 20px;
    max-height: calc(100dvh - var(--header-height) - var(--header-offset, 0px) - 20px);
    overflow-y: auto;
    overscroll-behavior: contain;
    padding: 12px 22px;
    background: rgba(250, 246, 238, .95);
    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);
    color: var(--ink);
    border: 1px solid var(--line);
    align-items: stretch;
    gap: 0;
    flex-direction: column;
  }
  .header-ready .nav-menu { display: none; }
  .header-ready .menu-open .nav-menu { display: flex; }
  .nav-menu .navlink,
  .nav-links .nav-menu .navlink:not([href='/schools']) {
    display: block;
    padding: 15px 0;
    font-size: 14px;
  }
  .nav-menu .navlink + .navlink { border-top: 1px solid var(--line); }
  /* Links remain available if enhancement never runs. */
  html:not(.header-ready) .site-header {
    position: relative;
    top: auto;
    color: var(--ink);
    background: var(--paper);
  }
  html:not(.header-ready) .nav { flex-wrap: wrap; padding: 20px 0; gap: 18px; }
  html:not(.header-ready) .nav-links { flex-wrap: wrap; }
  html:not(.header-ready) .nav-menu {
    position: static;
    padding: 0;
    border: 0;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 20px;
  }
  html:not(.header-ready) .nav-menu .navlink { padding: 0; border: 0; }
}
@media (prefers-reduced-motion: reduce) {
  .header-ready .site-header { transition: none; }
}